加拿大全境住院免疫受损儿童中COVID-19的严重程度
Costanza Di Chiara1,2,3, Tilmann Schober4,5, Daniel S Farrar6
1From the Division of Infectious Diseases.
The Pediatric infectious disease journal
|May 29, 2025
概括
与非IC同龄人相比,住院免疫受损儿童 (IC) 患重症COVID-19的风险较低. 这一发现可能表明早些时候入院IC与呼吸道感染.
科学领域:
- 儿童传染病 儿童传染病
- 免疫学 免疫学 免疫学
- 公共卫生 公共卫生
背景情况:
- 免疫功能受损状态对儿科COVID-19严重性的影响尚不清楚.
- 这项研究调查了在有或没有免疫损害条件的住院儿童中COVID-19的结果.
研究的目的:
- 评估和比较COVID-19的严重程度在住院儿童和没有免疫损害条件.
- 在儿科患者中识别与严重COVID-19相关的危险因素.
主要方法:
- 在加拿大因COVID-19住院的17岁以下儿童的回顾性队列研究 (2020年4月至2022年12月).
- 免疫受损 (IC) 状态是由免疫受损条件和/或免疫抑制治疗定义的.
- 严重的COVID-19定义为ICU入院,机械通风,血液动力学支持,器官并发症或死亡.
- 调整后的风险比率 (aRR) 使用波桑回归计算,控制共变量.
主要成果:
- 在3218名住院儿童中,有11.0%患有免疫缺陷 (IC).
- 与非IC儿童相比,IC儿童的COVID-19严重程度较小 (14.1%对29.0%),呼吸支持和ICU入院率较低.
- 免疫受损状态,包括免疫缺陷和免疫抑制,独立地与严重COVID-19的风险降低有关 (aRR=0.46).
结论:
- 与非免疫性受损儿童相比,住院免疫性受损儿童的严重COVID-19风险较低.
- 这种降低的风险可能归因于免疫功能低下的儿童出现呼吸道感染的入院门可能较低.
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